A Beyonce concert in Brazil ended in terror when gunmen opened fire on fans outside the venue.The Crazy In Love hitmaker took her I Am... world tour to South America last week (04Feb10), kicking off the dates with a string of shows in Brazil. But Beyonce's final Brazilian concert in the city of Salvador on Wednesday night (10Feb10) was marred by violence when youths outside the Parque de Exposicoes venue began shooting at fans leaving the arena, according to Britain's Star Magazine. Police reportedly returned fire but no one was injured during the incident.